114 lines
4.7 KiB
JavaScript
114 lines
4.7 KiB
JavaScript
"use strict";
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import { getStatic } from "@ethersproject/properties";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
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// These are load-balancer-based applicatoin IDs
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const defaultApplicationIds = {
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homestead: "6004bcd10040261633ade990",
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ropsten: "6004bd4d0040261633ade991",
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rinkeby: "6004bda20040261633ade994",
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goerli: "6004bd860040261633ade992",
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};
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export class PocketProvider extends UrlJsonRpcProvider {
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constructor(network, apiKey) {
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// We need a bit of creativity in the constructor because
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// Pocket uses different default API keys based on the network
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if (apiKey == null) {
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const n = getStatic((new.target), "getNetwork")(network);
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if (n) {
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const applicationId = defaultApplicationIds[n.name];
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if (applicationId) {
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apiKey = {
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applicationId: applicationId,
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loadBalancer: true
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};
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}
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}
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// If there was any issue above, we don't know this network
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if (apiKey == null) {
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logger.throwError("unsupported network", Logger.errors.INVALID_ARGUMENT, {
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argument: "network",
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value: network
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});
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}
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}
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super(network, apiKey);
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}
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static getApiKey(apiKey) {
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// Most API Providers allow null to get the default configuration, but
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// Pocket requires the network to decide the default provider, so we
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// rely on hijacking the constructor to add a sensible default for us
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if (apiKey == null) {
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logger.throwArgumentError("PocketProvider.getApiKey does not support null apiKey", "apiKey", apiKey);
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}
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const apiKeyObj = {
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applicationId: null,
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loadBalancer: false,
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applicationSecretKey: null
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};
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// Parse applicationId and applicationSecretKey
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if (typeof (apiKey) === "string") {
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apiKeyObj.applicationId = apiKey;
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}
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else if (apiKey.applicationSecretKey != null) {
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logger.assertArgument((typeof (apiKey.applicationId) === "string"), "applicationSecretKey requires an applicationId", "applicationId", apiKey.applicationId);
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logger.assertArgument((typeof (apiKey.applicationSecretKey) === "string"), "invalid applicationSecretKey", "applicationSecretKey", "[REDACTED]");
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apiKeyObj.applicationId = apiKey.applicationId;
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apiKeyObj.applicationSecretKey = apiKey.applicationSecretKey;
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apiKeyObj.loadBalancer = !!apiKey.loadBalancer;
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}
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else if (apiKey.applicationId) {
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logger.assertArgument((typeof (apiKey.applicationId) === "string"), "apiKey.applicationId must be a string", "apiKey.applicationId", apiKey.applicationId);
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apiKeyObj.applicationId = apiKey.applicationId;
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apiKeyObj.loadBalancer = !!apiKey.loadBalancer;
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}
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else {
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logger.throwArgumentError("unsupported PocketProvider apiKey", "apiKey", apiKey);
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}
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return apiKeyObj;
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}
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static getUrl(network, apiKey) {
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let host = null;
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switch (network ? network.name : "unknown") {
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case "homestead":
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host = "eth-mainnet.gateway.pokt.network";
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break;
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case "ropsten":
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host = "eth-ropsten.gateway.pokt.network";
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break;
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case "rinkeby":
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host = "eth-rinkeby.gateway.pokt.network";
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break;
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case "goerli":
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host = "eth-goerli.gateway.pokt.network";
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break;
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default:
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logger.throwError("unsupported network", Logger.errors.INVALID_ARGUMENT, {
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argument: "network",
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value: network
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});
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}
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let url = null;
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if (apiKey.loadBalancer) {
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url = `https:/\/${host}/v1/lb/${apiKey.applicationId}`;
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}
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else {
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url = `https:/\/${host}/v1/${apiKey.applicationId}`;
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}
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const connection = { url };
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// Initialize empty headers
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connection.headers = {};
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// Apply application secret key
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if (apiKey.applicationSecretKey != null) {
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connection.user = "";
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connection.password = apiKey.applicationSecretKey;
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}
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return connection;
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}
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isCommunityResource() {
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return (this.applicationId === defaultApplicationIds[this.network.name]);
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}
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}
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//# sourceMappingURL=pocket-provider.js.map
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